积极的歌手

UID: 52558, Registered at 2026-8-31 15:20:05, last login at 2026-9-10 10:38:15, currently offline.

Solved 3 problems, RP: 10 (No. 19460)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P3990
P5307
P5308
Recent Activities

This person is lazy and didn't join any contests or homework.

其他: 1
排序: 1
动态规划: 1